ARG_ENABL_SET([tnc-imv], [enable TNC IMV module.])
ARG_ENABL_SET([tnccs-11], [enable TNCCS 1.1 protocol module.])
ARG_ENABL_SET([tnccs-20], [enable TNCCS 2.0 protocol module.])
+ARG_ENABL_SET([tnccs-dynamic], [enable dynamic TNCCS protocol discovery module.])
ARG_DISBL_SET([kernel-netlink], [disable the netlink kernel interface.])
ARG_ENABL_SET([kernel-pfkey], [enable the PF_KEY kernel interface.])
ARG_ENABL_SET([kernel-pfroute], [enable the PF_ROUTE kernel interface.])
ADD_PLUGIN([eap-tnc], [c libcharon])
ADD_PLUGIN([tnccs-20], [c libcharon])
ADD_PLUGIN([tnccs-11], [c libcharon])
+ADD_PLUGIN([tnccs-dynamic], [c libcharon])
ADD_PLUGIN([tnc-imc], [c libcharon])
ADD_PLUGIN([tnc-imv], [c libcharon])
ADD_PLUGIN([medsrv], [c libcharon])
AM_CONDITIONAL(USE_TNC_IMV, test x$tnc_imv = xtrue)
AM_CONDITIONAL(USE_TNCCS_11, test x$tnccs_11 = xtrue)
AM_CONDITIONAL(USE_TNCCS_20, test x$tnccs_20 = xtrue)
+AM_CONDITIONAL(USE_TNCCS_DYNAMIC, test x$tnccs_dynamic = xtrue)
AM_CONDITIONAL(USE_SOCKET_DEFAULT, test x$socket_default = xtrue)
AM_CONDITIONAL(USE_SOCKET_RAW, test x$socket_raw = xtrue)
AM_CONDITIONAL(USE_SOCKET_DYNAMIC, test x$socket_dynamic = xtrue)
src/libcharon/plugins/tnc_imv/Makefile
src/libcharon/plugins/tnccs_11/Makefile
src/libcharon/plugins/tnccs_20/Makefile
+ src/libcharon/plugins/tnccs_dynamic/Makefile
src/libcharon/plugins/socket_default/Makefile
src/libcharon/plugins/socket_raw/Makefile
src/libcharon/plugins/socket_dynamic/Makefile
endif
endif
+if USE_TNCCS_DYNAMIC
+ SUBDIRS += plugins/tnccs_dynamic
+if MONOLITHIC
+ libcharon_la_LIBADD += plugins/tnccs_dynamic/libstrongswan-tnccs-dynamic.la
+endif
+endif
+
if USE_MEDSRV
SUBDIRS += plugins/medsrv
if MONOLITHIC
#include <tls_eap.h>
#include <daemon.h>
-#include <library.h>
+#include <debug.h>
typedef struct private_eap_tnc_t private_eap_tnc_t;
"charon.plugins.eap-tnc.max_message_count", MAX_MESSAGE_COUNT);
protocol = lib->settings->get_str(lib->settings,
"charon.plugins.eap-tnc.protocol", "tnccs-1.1");
- type = strcaseeq(protocol, "tnccs-2.0") ? TNCCS_2_0 : TNCCS_1_1;
+ if (strcaseeq(protocol, "tnccs-2.0"))
+ {
+ type = TNCCS_2_0;
+ }
+ else if (strcaseeq(protocol, "tnccs-1.1"))
+ {
+ type = TNCCS_1_1;
+ }
+ else if (strcaseeq(protocol, "tnccs-dynamic") && is_server)
+ {
+ type = TNCCS_DYNAMIC;
+ }
+ else
+ {
+ DBG1(DBG_TNC, "TNCCS protocol '%s' not supported", protocol);
+ free(this);
+ return NULL;
+ }
tnccs = charon->tnccs->create_instance(charon->tnccs, type, is_server);
this->tls_eap = tls_eap_create(EAP_TNC, (tls_t*)tnccs, frag_size, max_msg_count);
if (!this->tls_eap)
--- /dev/null
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
+ -I$(top_srcdir)/src/libcharon -I$(top_srcdir)/src/libtls
+
+AM_CFLAGS = -rdynamic
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-tnccs-dynamic.la
+else
+plugin_LTLIBRARIES = libstrongswan-tnccs-dynamic.la
+libstrongswan_tnccs_dynamic_la_LIBADD = $(top_builddir)/src/libtls/libtls.la
+endif
+
+libstrongswan_tnccs_dynamic_la_SOURCES = \
+ tnccs_dynamic_plugin.h tnccs_dynamic_plugin.c tnccs_dynamic.h tnccs_dynamic.c
+
+libstrongswan_tnccs_dynamic_la_LDFLAGS = -module -avoid-version
--- /dev/null
+/*
+ * Copyright (C) 2011 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_dynamic.h"
+
+#include <tnc/tnccs/tnccs.h>
+#include <daemon.h>
+
+typedef struct private_tnccs_dynamic_t private_tnccs_dynamic_t;
+
+/**
+ * Private data of a tnccs_dynamic_t object.
+ */
+struct private_tnccs_dynamic_t {
+
+ /**
+ * Public tls_t interface.
+ */
+ tls_t public;
+
+ /**
+ * Detected TNC IF-TNCCS stack
+ */
+ tls_t *tls;
+};
+
+tnccs_type_t determine_tnccs_protocol(char version)
+{
+ switch (version)
+ {
+ case '\t':
+ case '\n':
+ case '\r':
+ case ' ':
+ case '<':
+ return TNCCS_1_1;
+ case 0x00:
+ return TNCCS_SOH;
+ case 0x02:
+ return TNCCS_2_0;
+ default:
+ return TNCCS_UNKNOWN;
+ }
+}
+
+METHOD(tls_t, process, status_t,
+ private_tnccs_dynamic_t *this, void *buf, size_t buflen)
+{
+ tnccs_type_t type;
+
+ if (!this->tls)
+ {
+ if (buflen == 0)
+ {
+ return FAILED;
+ }
+ type = determine_tnccs_protocol(*(char*)buf);
+ DBG1(DBG_TNC, "%N protocol detected dynamically",
+ tnccs_type_names, type);
+ this->tls = (tls_t*)charon->tnccs->create_instance(charon->tnccs,
+ type, TRUE);
+ if (!this->tls)
+ {
+ DBG1(DBG_TNC, "N% protocol not supported", tnccs_type_names, type);
+ return FAILED;
+ }
+ }
+ return this->tls->process(this->tls, buf, buflen);
+}
+
+METHOD(tls_t, build, status_t,
+ private_tnccs_dynamic_t *this, void *buf, size_t *buflen, size_t *msglen)
+{
+ return this->tls->build(this->tls, buf, buflen, msglen);
+}
+
+METHOD(tls_t, is_server, bool,
+ private_tnccs_dynamic_t *this)
+{
+ return TRUE;
+}
+
+METHOD(tls_t, get_purpose, tls_purpose_t,
+ private_tnccs_dynamic_t *this)
+{
+ return TLS_PURPOSE_EAP_TNC;
+}
+
+METHOD(tls_t, is_complete, bool,
+ private_tnccs_dynamic_t *this)
+{
+ return this->tls ? this->tls->is_complete(this->tls) : FALSE;
+}
+
+METHOD(tls_t, get_eap_msk, chunk_t,
+ private_tnccs_dynamic_t *this)
+{
+ return chunk_empty;
+}
+
+METHOD(tls_t, destroy, void,
+ private_tnccs_dynamic_t *this)
+{
+ DESTROY_IF(this->tls);
+ free(this);
+}
+
+/**
+ * See header
+ */
+tls_t *tnccs_dynamic_create(bool is_server)
+{
+ private_tnccs_dynamic_t *this;
+
+ INIT(this,
+ .public = {
+ .process = _process,
+ .build = _build,
+ .is_server = _is_server,
+ .get_purpose = _get_purpose,
+ .is_complete = _is_complete,
+ .get_eap_msk = _get_eap_msk,
+ .destroy = _destroy,
+ },
+ );
+
+ return &this->public;
+}
--- /dev/null
+/*
+ * Copyright (C) 2011 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_dynamic_h tnccs_dynamic
+ * @{ @ingroup tnccs_dynamic
+ */
+
+#ifndef TNCCS_DYNAMIC_H_
+#define TNCCS_DYNAMIC_H_
+
+#include <library.h>
+
+#include <tls.h>
+
+/**
+ * Create an instance of a dynamic TNC IF-TNCCS protocol handler.
+ *
+ * @param is_server TRUE to act as TNC Server, FALSE for TNC Client
+ * @return dynamic TNC IF-TNCCS protocol stack
+ */
+tls_t *tnccs_dynamic_create(bool is_server);
+
+#endif /** TNCCS_DYNAMIC_H_ @}*/
--- /dev/null
+/*
+ * Copyright (C) 2011 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_dynamic_plugin.h"
+#include "tnccs_dynamic.h"
+
+#include <daemon.h>
+
+METHOD(plugin_t, destroy, void,
+ tnccs_dynamic_plugin_t *this)
+{
+ charon->tnccs->remove_method(charon->tnccs,
+ (tnccs_constructor_t)tnccs_dynamic_create);
+ free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *tnccs_dynamic_plugin_create()
+{
+ tnccs_dynamic_plugin_t *this;
+
+ INIT(this,
+ .plugin = {
+ .destroy = _destroy,
+ },
+ );
+
+ charon->tnccs->add_method(charon->tnccs, TNCCS_DYNAMIC,
+ (tnccs_constructor_t)tnccs_dynamic_create);
+
+ return &this->plugin;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2011 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_dynamic tnccs_dynamic
+ * @ingroup cplugins
+ *
+ * @defgroup tnccs_dynamic_plugin tnccs_dynamic_plugin
+ * @{ @ingroup tnccs_dynamic
+ */
+
+#ifndef TNCCS_DYNAMIC_PLUGIN_H_
+#define TNCCS_DYNAMIC_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct tnccs_dynamic_plugin_t tnccs_dynamic_plugin_t;
+
+/**
+ * EAP-TNC plugin
+ */
+struct tnccs_dynamic_plugin_t {
+
+ /**
+ * implements plugin interface
+ */
+ plugin_t plugin;
+};
+
+#endif /** TNCCS_DYNAMIC_PLUGIN_H_ @}*/
#include "tnccs.h"
-ENUM(eap_type_names, TNCCS_1_1, TNCCS_2_0,
+ENUM(tnccs_type_names, TNCCS_UNKNOWN, TNCCS_2_0,
+ "unknown TNCCS",
"TNCCS 1.1",
"TNCCS SOH",
"TNCCS 2.0",
* Type of TNC Client/Server protocol
*/
enum tnccs_type_t {
+ TNCCS_UNKNOWN,
TNCCS_1_1,
TNCCS_SOH,
- TNCCS_2_0
+ TNCCS_2_0,
+ TNCCS_DYNAMIC
};
/**